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#!/bin/sh | |
### BEGIN INIT INFO | |
# Provides: stud | |
# Required-Start: $remote_fs $network $local_fs | |
# Required-Stop: $remote_fs $network $local_fs | |
# Default-Start: 2 3 4 5 | |
# Default-Stop: 0 1 6 | |
# Short-Description: The Scalable TLS Unwrapping Daemon | |
# Description: stud is a network proxy that terminates TLS/SSL | |
# connections and forwards the unencrypted traffic | |
# to some backend. | |
### END INIT INFO | |
# Author: Christo Buschek <[email protected]> | |
# PATH should only include /usr/* if it runs after the mountnfs.sh script | |
PATH=/sbin:/usr/sbin:/bin:/usr/bin | |
DESC=stud | |
NAME=stud | |
DAEMON=/usr/bin/stud | |
SCRIPTNAME=/etc/init.d/$NAME | |
FILES="/etc/stud/*.conf" | |
USER="_stud" | |
[ -r /etc/default/$NAME ] && . /etc/default/$NAME | |
[ -x $DAEMON ] || exit 0 | |
stat -t $FILES > /dev/null 2>&1 || exit 0 | |
. /lib/init/vars.sh | |
. /lib/lsb/init-functions | |
do_chroot() { | |
oldumask=$(umask) | |
umask 022 | |
[ -d $CHROOT ] || mkdir -p $CHROOT | |
umask $oldumask | |
} | |
do_start() | |
{ | |
# Return | |
# 0 if daemon has been started | |
# 1 if daemon was already running | |
# 2 if daemon could not be started | |
do_chroot | |
notfound=1 | |
for conf in $FILES; do | |
if test -f $conf; then | |
BASE=$(basename $conf) | |
PIDFILE=/var/run/stud.${BASE}.pid | |
. $conf | |
if ! start-stop-daemon --start --quiet --pidfile $PIDFILE \ | |
--exec $DAEMON --test > /dev/null; then | |
log_progress_msg "[Already running: ${BASE}]" | |
else | |
start-stop-daemon --start --quiet --pidfile $PIDFILE \ | |
--exec $DAEMON -b -m -- \ | |
$COMMON_OPTIONS $OPTIONS $CERT \ | |
|| { | |
log_progress_msg "[Failed: ${BASE}]" | |
return 2 | |
} | |
log_progress_msg "[Started: ${BASE}]" | |
notfound=0 | |
fi | |
fi | |
done | |
return $notfound | |
} | |
do_stop() | |
{ | |
# Return | |
# 0 if daemon has been stopped | |
# 1 if daemon was already stopped | |
# 2 if daemon could not be stopped | |
# other if a failure occurred | |
notfound=1 | |
notstopped=0 | |
for conf in $FILES; do | |
if test -f $conf; then | |
BASE=$(basename $conf) | |
PIDFILE=/var/run/stud.${BASE}.pid | |
. $conf | |
start-stop-daemon --stop --quiet --retry=TERM/10/KILL/5 \ | |
--pidfile $PIDFILE --name $NAME | |
RETVAL="$?" | |
if [ "$RETVAL" = 2 ]; then | |
log_progress_msg "[Unable to stop: ${BASE}]" | |
notstopped=1 | |
else | |
log_progress_msg "[Stop: ${BASE}]" | |
rm -f $PIDFILE | |
fi | |
fi | |
done | |
[ $notstopped -eq 1 ] && return 2 | |
[ $notfound -eq 1 ] && return 1 | |
return 0 | |
} | |
# | |
# Function that sends a SIGHUP to the daemon/service | |
# | |
do_reload() { | |
# | |
# If the daemon can reload its configuration without | |
# restarting (for example, when it is sent a SIGHUP), | |
# then implement that here. | |
# | |
start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE --name $NAME | |
return 0 | |
} | |
# | |
# Get the status of each daemon | |
# | |
do_status() { | |
RETVAL=0 | |
for conf in $FILES; do | |
if test -f $conf; then | |
BASE=$(basename $conf) | |
PIDFILE=/var/run/stud.${BASE}.pid | |
. $conf | |
status=0 | |
pidofproc -p $PIDFILE $DAEMON > /dev/null || status="$?" | |
case "$status" in | |
0) | |
log_progress_msg "[${BASE}: ok]" | |
;; | |
4) | |
log_progress_msg "[${BASE}: cannot read PID file]" | |
RETVAL=$status | |
;; | |
*) | |
log_progress_msg "[${BASE}: not running]" | |
RETVAL=$status | |
;; | |
esac | |
fi | |
done | |
return $RETVAL | |
} | |
case "$1" in | |
start) | |
log_daemon_msg "Starting $DESC" "$NAME" | |
do_start | |
case "$?" in | |
0|1) log_end_msg 0 ;; | |
2) log_end_msg 1 ;; | |
esac | |
;; | |
stop) | |
log_daemon_msg "Stopping $DESC" "$NAME" | |
do_stop | |
case "$?" in | |
0|1) log_end_msg 0 ;; | |
2) log_end_msg 1 ;; | |
esac | |
;; | |
restart|force-reload) | |
# | |
# If the "reload" option is implemented then remove the | |
# 'force-reload' alias | |
# | |
log_daemon_msg "Restarting $DESC" "$NAME" | |
do_stop | |
case "$?" in | |
0|1) | |
do_start | |
case "$?" in | |
0) log_end_msg 0 ;; | |
1) log_end_msg 1 ;; # Old process is still running | |
*) log_end_msg 1 ;; # Failed to start | |
esac | |
;; | |
*) | |
# Failed to stop | |
log_end_msg 1 | |
;; | |
esac | |
;; | |
status) | |
log_daemon_msg "Checking status of $DESC" "$NAME" | |
do_status | |
log_end_msg "$?" | |
exit "$?" | |
;; | |
*) | |
echo "Usage: $SCRIPTNAME {start|stop|restart|force-reload|status}" >&2 | |
exit 3 | |
;; | |
esac | |
: |
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